Umphakeli we-Inverter wekhwalithi yase-China

Ukwahlukanisa

Uhlobo

Ibanga lamandla

Izimpawu Ezisemqoka

Ngesicelo

I-Inverter yentambo

1kW – 150kW

Okokufaka kwe-MPPT okuningi, ukuphuma kwesigaba esingu-3, ​​ukuhweba/indawo yokuhlala, 98%+ ukusebenza kahle

I-Inverter Ephakathi

100kW – 10MW+

Iyunithi enkulu eyodwa, isikali sokusetshenziswa, i-transformer-coupled, iyonga nge-watt ngayinye

I-Microinverter

250W - 2000W

Izinga lemojula, iphaneli ngayinye ye-MPPT, ukubekezelelana kwe-shading okuthuthukisiwe, ukwethembeka okuphezulu

I-Hybrid Inverter

3kW – 50kW

Ukuhlanganiswa kwesitoreji sebhethri, ukugeleza kwamandla okuqondiswa kabili, amandla okulondoloza amandla

I-Power Optimizer

300W - 1000W

Isiguquli se-DC-DC + isiguquli sezintambo, ukwenziwa ngcono kwezinga lemojuli, ukuvala shaqa ngokushesha

Nge-Topology

Isekelwe ku-Transformer

1kW – 10MW

Ukuhlukaniswa kwe-Galvanic, okuqinile, okusindayo, ukusebenza kahle okuphansi (96-97%)

I-Transformerless

1kW – 250kW

Ukusebenza kahle okuphezulu (98%+), okulula, ukuphathwa kwamanje kokuvuza kuyadingeka

H-Bridge

Zonke izilinganiso

I-topology yokushintsha eyisisekelo, isilawuli se-PWM, ukuphuma kwe-sine wave

Amaleveli amaningi (3-level NPC/T-type)

10kW – 10MW+

Ukulahlekelwa kokushintsha okuncishisiwe, ikhwalithi engcono ye-waveform, amandla aphezulu kagesi

Nge-Voltage Yokufaka

Amandla kagesi aphansi

200V - 500V DC

Amasistimu okuhlala, ukucushwa kochungechunge olulodwa

Amandla kagesi aphakathi

500V - 1000V DC

Amasistimu ezohwebo, umkhawulo we-NEC ongu-1000V e-US

Amandla kagesi aphezulu

1000V - 1500V DC

I-Utility-scale, i-1500V iba yizinga, izindleko ze-BOS zehlisiwe 

Ngokuphumayo

Isigaba Esisodwa

1kW – 10kW

Indawo yokuhlala, 230V/120V, 50/60Hz

Izigaba ezintathu

5kW – 10MW+

Ezohwebo/zezimboni, 400V/480V, i-grid-tie

Isiteji

Umsebenzi

Ukuqaliswa Kwezobuchwepheshe

I-DC Input Stage

Yamukela i-DC eguquguqukayo kuhlu lwe-PV, ukuhlunga, ukuvikelwa

Ama-capacitor okuhlunga e-DC, ukuvikela ukukhuphuka, ukuvikela ukuhlehla kwe-polarity, ukuqapha amandla okufakwayo

Isiteji seMPPT

Khulisa ukukhishwa kwamandla ngokulandelela i-voltage efanelekile/yamanje

I-Buck-boost noma i-boost converter, i-perturb & observe (P&O) noma i-algorithm yokuziphatha ekhuphukayo, 99%+ ukusebenza kahle kokulandelela

Ukuguqulwa kwe-DC-AC

Iguqula i-DC ibe yi-AC kusetshenziswa ukushintsha kwe-high-frequency

I-IGBT noma i-SiC MOSFET H-bridge, isilawuli se-PWM (2-20kHz), isilawuli sesikhathi esifile

Ukuhlunga Okukhiphayo

Isusa ama-harmonics wemvamisa ephezulu, ibushelelezi i-waveform

Isihlungi se-LCL noma i-LC, izithasiselo zokudambisa, <3% THD

Uxhumano Lwegridi

Ivumelanisa negridi, ukuthobela ikhwalithi yamandla

I-loop evaliwe ngesigaba (i-PLL), isivikelo esiphikisana nesiqhingi, isilawuli samandla esisebenzayo

Ukulawula Nokuqapha

Ukuphathwa kwesistimu, ukugawulwa kwedatha, ukuxhumana

Ukulawula kwe-DSP/MCU, i-Ethernet/WiFi/RS485, ukuqapha kwamafu, izibuyekezo ze-firmware 

Isicelo

Usayizi Wesistimu

Imininingwane Ejwayelekile

Izidingo Eziyinhloko

Igridi Yendawo yokuhlala

3kW – 20kW

Isigaba esisodwa, ukusebenza kahle okungu-98%, 2 MPPT, ukuqapha kwe-WiFi, iwaranti yeminyaka eyi-10

Okuqinile, okuthulile, ukufakwa okulula, ukuvala shaqa ngokushesha (NEC 2017)

IHybrid yokuhlala

5kW – 15kW

Ibhethri engu-48V, amandla ekhophi yasenqolobaneni, ukulungiselelwa kwesikhathi sokusebenzisa, ukukhulisa ukusetshenziswa kwakho

I-UL 9540 (ibhethri), ukudlulisa okungenamthungo, ukusebenza okungu-24/7

I-Commercial Rooftop

20kW – 500kW

Izigaba ezintathu, ukusebenza kahle okungu-98.5%, 4-12 MPPT, ukuqapha izintambo, impilo yedizayini yeminyaka engama-25

Ukuthembeka okuphezulu, ukugcinwa okuncane, ukuqapha okukude

I-Commercial Ground-Mount

100kW – 2MW

Intambo emaphakathi noma intambo, 1500V DC, ukuxhumana kolayini wamandla, ukuskena kwejika le-IV

Isivuno esiphezulu, ukulungiselelwa kwe-O&M, ukuguquguquka kwezwe

I-Utility-Scale PV

2MW – 10MW+

Ama-inverters amaphakathi, i-1500V, ukuhlanganiswa kwe-MV transformer, amandla okwenza igridi

I-LCOE ephansi kakhulu, ukutholakala okungu-99%, imisebenzi yosekelo lwegridi

Isitoreji Amandla

50kW – 5MW

I-Bidirectional, i-DC-coupled noma i-AC-coupled, i-frequency regulation, ukushefa okuphezulu

Ukusebenza kahle kohambo olujikelezayo >90%, isikhathi sokuphendula <1s, ukuqina kokugibela ibhayisikili

Off-Grid/Remote

1kW – 100kW

Isisekelo sebhethri, ukuhlanganiswa kwejeneretha yedizili, ukuphathwa komthwalo, igridi encane ekwaziyo

Ukuthembeka okuphezulu, ukusebenza okuzimele, ukubekezelelana kwemvelo okwedlulele

Ukushaja kwe-EV

50kW – 350kW

Ukushaja okusheshayo kwe-DC, amandla e-V2G, ukuminyana kwamandla aphezulu, ukupholisa uketshezi

99% isikhathi sokuphumula, ukuhlanganiswa kwenkokhelo, izinsizakalo zokulinganisa igridi 

Isiteji

Imininingwane Yenqubo

Amaphuzu Okulawula Ikhwalithi

I-PCB Assembly (SMT)

I-High-density surface mount, izingxenye ze-0201, ama-BGA processors, i-lead-free solder (SAC305)

Ukuhlolwa kwe-AOI, i-X-ray yama-BGA, i-ICT (ukuhlolwa kwesifunda), ukuqinisekiswa kokusebenza okungu-100%.

I-Power Module Assembly

I-IGBT/SiC MOSFET die attach, i-wire bonding (Al/Cu), i-encapsulation, i-thermal interface application material

Ukumelana ne-thermal <0.5K/W, i-void-free die attach, amandla okudonsa ibhondi >8g, 100% ukuhlolwa kokuvinjwa kwamandla

I-DC Link Capacitor Integration

Ukukhwezwa kwe-capacitor yefilimu, ukuxhumeka kwebha yebhasi, ukuncishiswa kwe-ESL/ESR

Amandla ±5%, ESR <1mΩ, i-voltage imelana ne-1.5× ilinganiselwe, ukuhlolwa kokuvuza okungu-100%

I-Magnetics Winding

I-high-frequency inductors, i-nanocrystalline noma i-ferrite cores, i-Litz wire yokunciphisa umphumela wesikhumba

I-inductance ±10%, ukulahlekelwa okuyinhloko <2W/kg, ukuhlolwa kwe-hipot 3kV, ukukhipha ingxenye engu-<10pC

I-Heat Sink Assembly

I-Aluminium extrusion noma ipuleti elibandayo eliwuketshezi, inhlama eshisayo/uhlelo lwephedi, isilawuli se-torque esikhulayo

Ukumelana nokushisa <0.3K/W, flatness <50μm, ukusatshalaliswa kwengcindezi efanayo

Umhlangano Wokugcina

Ukuhlanganiswa kwe-chassis, ukufakwa kwefeni okupholisa, amamojula wokubonisa/okuxhumana, izintambo zokuhlanganisa

Ukuqhubeka phansi <0.1Ω, imvume/ukuqinisekisa kwe-creepage, ukumakwa kwetorque

Ukuhlola Ukushiswa

Ukusebenza kwamahora angu-48-72 ku-50 ° C, ukugibela ibhayisikili eligcwele, ukuhamba ngebhayisikili okushisayo

Ukutholwa kokwehluleka kusenesikhathi, ukuhlolwa kokushona kwezingane, izinga lokuhluleka elingu-<0.5%.

Ukuhlolwa Kokugcina Okuzenzakalelayo

Ukulinganisa ukusebenza kahle (IEC 61683), ukuqinisekiswa kwe-MPPT, ukuhlolwa komsebenzi wokuvikela, ukuhambisana nekhodi yegridi

Ukuhlolwa okungu-100%, ukugawulwa kwedatha, isitifiketi sokulinganisa, ukulandelelwa kwenombolo ye-serial 

Isakhi

Ukucaciswa Kwempahla

Amazinga Womphakeli

Izakhiwo Eziyinhloko

Amandla Semiconductors

I-Silicon IGBT (1200V-1700V, 200A-600A) noma i-SiC MOSFET (1200V, 50mΩ)

I-IEC 60747-9, JEDEC

Ishintsha imvamisa 2-50kHz, Rds(on) <5mΩ, Tj(max) 175°C, isiyingi esifushane imelana no-10μs

Abashayeli Bamasango

Ama-IC womshayeli wesango ahlukanisiwe, ukuhlukaniswa kazibuthe noma i-capacitive

UL 1577, IEC 60747-5

I-CMTI >100kV/μs, ukubambezeleka kokusabalalisa okungu-<100ns, ukuvala i-undervoltage lockout

I-DC Link Capacitors

Ifilimu ye-polypropylene eyinsimbi, 400-1500V DC, 100-5000μF

I-IEC 61071

ESR <1mΩ, ESL <20nH, 100,000 impilo yehora, ukuzelapha

Amagnetic (Ama-Inductors)

I-Nanocrystalline noma i-ferrite cores, i-Litz wire (Cu)

I-IEC 60404-8, IEC 60317

Ukulahlekelwa kwe-Core <2W/kg ku-100kHz, i-BSat >1.2T, izinga lokushisa le-Curie >200°C

Amasinki Okushisa

I-Aluminium 6063-T5 noma ithusi, i-anodized noma i-nickel-plated

I-ASTM B221

I-Thermal conductivity 200W/mK, ukuqina kwe-surface Ra 1.6, ukumelana nokugqwala

I-Thermal Interface

Izinto zokushintsha isigaba noma amafutha e-silicone, 0.5-3W/mK

I-ASTM D5470

Ukumelana nokushisa <0.5K·cm²/W, ukuzinza kwesikhathi eside, akukho ukuphuma kwephampu

Lawula ama-PCB

FR-4 TG170 noma high-Tg, 4-12 ungqimba, ukucwiliswa igolide

IPC-6012, UL 796

Tg >170°C, CTI >600V, isilawuli se-impedance ±10%

Ama-MCU/DSPs

I-ARM Cortex-M4/M7 noma i-DSP ezinikezele, 100-400MHz

I-IEC 60730 (ukuphepha okusebenzayo)

I-SIL 2 enekhono, i-hardware FPU, inkumbulo ye-ECC, izinga lokushisa -40°C kuya ku-+85°C

Indawo ebiyelwe

I-Aluminium die-cast ADC12 noma insimbi, efakwe ngempushana

ISO 12944, IEC 60529

Isilinganiso sangaphandle se-IP65, ukumelana nokugqwala kwe-C3/C4, umthelela we-IK08

Izixhumi

I-MC4 ye-DC, i-Harting ye-AC, i-RJ45 yokuxhumana

I-IEC 62852, UL 6703

IP68, 30A eqhubekayo, 1000V DC, iminyaka engu-25 ukumelana ne-UV 

Okujwayelekile

Ububanzi

Izidingo Ezisebenzayo

I-IEC 62109-1/-2

Ukuphepha kweziguquli zamandla ezizosetshenziswa ezinhlelweni zamandla we-photovoltaic

Izidingo ezijwayelekile (Ingxenye 1) kanye nezimfuneko ezithile zama-inverters (Ingxenye 2)

I-IEC 61683

Amasistimu we-Photovoltaic - Izimo zamandla - Inqubo yokulinganisa ukusebenza kahle

Ukulinganisa ukusebenza kahle okujwayelekile, ukusebenza kwe-MPPT, imibandela yokwamukela 

I-IEC 62116

Ama-inverters e-photovoltaic axhumene ne-Utility - Inqubo yokuhlola yezinyathelo zokuvimbela ukuwela esiqhingini

Ukuqinisekiswa kokuvikela isiqhingi

I-IEC 61727

Amasistimu we-Photovoltaic - Izici zesixhumi esibonakalayo

Izidingo zokuxhuma igridi, ikhwalithi yamandla

I-IEC 60068-2

Ukuhlolwa kwemvelo

Ukuhamba ngebhayisikili okushisayo, ukushisa okumanzi, ukucindezeleka kwemishini

I-IEC 61000-6-2/-6-4

Ukungavikeleki kwe-EMC nokukhipha

Ukungavikeleki kwemvelo yezimboni, ukukhishwa kwendawo yokuhlala/yokuhweba

Isigaba sokuhlola

Ukuhlolwa Okuthize

Imibandela Yokwamukela

Ukuphepha Nokuvikela

Isigaba se-overvoltage, idigri yokungcola, imvume/i-creepage

I-CAT III/IV, PD2/3, imvume engu-8mm ku-1000V

Ukuvikelwa ngokumelene nokushaqeka kukagesi (isilinganiso se-IP)

IP20 ubuncane (ngaphakathi), IP65 (ngaphandle)

Ukuqhubeka komhlaba

<0.1Ω

Ukumelana ne-insulation

>1MΩ ku-500V DC

Ukusebenza Okushisayo

Ukuhlolwa kokukhuphuka kwezinga lokushisa uma kugcwele

Amazinga okushisa ezingxenye angaphansi kwemikhawulo elinganiselwe, Tj < Tj(max) - 25K

Ukuhamba ngebhayisikili okushisayo (-40°C kuya +85°C, imijikelezo eyi-100)

Akukho ukwehluleka komshini, akukho ukukhukhuleka kwepharamitha> 5%

Isilinganiso Sokusebenza (IEC 61683)

Ukusebenza kahle kwe-Euro (η) ku-5%, 10%, 20%, 30%, 50%, 100% umthwalo

> 97% wama-inverters ezintambo, >98.5% kumamodeli eprimiyamu

Ukusebenza okuphezulu endaweni yokusebenza efanele

>98% (i-transformerless), >96% (isekelwe ku-transformer)

Ukusebenza kahle kwe-MPPT

I-Static >99.5%, i-dynamic >98%

Ezemvelo

Ukushisa okumanzi (40°C/93%RH, 96h noma izinsuku ezingu-21)

Isebenza ngemuva kokumiswa, akukho ukugqwala

Inkungu kasawoti (IEC 60068-2-52, ubukhali 2)

Akukho ukugqwala okuthinta ukuphepha noma umsebenzi

Ukuchayeka kwe-UV (okwezindawo ezivalekile zangaphandle)

Akukho ukucekelwa phansi kwezakhiwo zemishini

I-EMC

Electrostatic discharge (ESD) 8kV contact/15kV air

Akukho ukungasebenzi kahle, akukho bungozi bokuphepha

Ukungavikeleki kwe-radiated (10V/m, 80MHz-6GHz)

Isebenza ngesikhathi sokuhlolwa

Ukukhishwa okwenziwayo (CISPR 11/16)

Imikhawulo yekilasi B lendawo yokuhlala, Ikilasi A lezimboni

Ukuthobela Ikhodi Yegridi

I-Anti-Islanding (IEC 62116)

Uhambo phakathi kwama-2s, indawo engabonwa <5%

I-low voltage ride-through (LVRT)

Hlala uxhumekile ngesikhathi sokwehla kwamandla kagesi

Amandla asebenzayo asebenzayo

Hambisa/munca ama-VAR njengoba kudingeka 

Okubalulekile

Izinto Zokuhlola

Uhlelo lwesampula

Izisetshenziswa

Amamojula we-IGBT/SiC

I-voltage evimbayo, i-Rds(ivuliwe), izici zokushintsha, ukuhlolwa okubonakalayo

Ukuhlolwa kwe-ATE okungu-100%.

I-Curve tracer, i-thermal impedance tester, i-X-ray

I-DC link capacitors

Amandla, i-ESR, i-ESL, ukuvuza kwamanje, isici sokulahla

Iqoqo ngalinye + 100% engenayo

Imitha ye-LCR, i-insulation tester, ibhuloho le-AC

Ama-Magnetics cores

I-Permeability, ukulahlekelwa okuyinhloko, ijika le-B-H, ukubekezelelana kobukhulu

Ngeqoqo ngalinye

I-B-H analyzer, i-impedance analyzer

Ama-PCB

Ukubalwa kwesendlalelo, i-impedance, solderability, ukuhlanzeka kwe-ionic

Ngeqoqo ngalinye + ukuhlolwa kwesampula

CMM, TDR, ion chromatography

Amasinki okushisa

Ukumelana ne-thermal, flatness, ukuqedwa kwendawo, i-dimensional

Ngeqoqo ngalinye

Umhloli we-Thermal interface, i-CMM, i-profilometer

Isiteshi

Lawula Amapharamitha

Imvamisa

Indlela

Ukubekwa kwe-SMT

Ukuma kwengxenye, umumo, ivolumu yokunamathisela ye-solder

100% AOI

Ukuhlola okuzenzakalelayo

I-Reflow soldering

Iphrofayili yezinga lokushisa (preheat, cwilisa, geleza kabusha, pholile), iphezulu 245°C

Wonke amabhodi

Iphrofayili eshisayo, ukuhlolwa kwe-X-ray

Umhlangano wemojula yamandla

Die namathisela ama-voids, amandla ebhondi yocingo, isikhombimsebenzisi esishisayo

Wonke amamojula

Iskena i-acoustic microscopy, umhloli wokudonsa

Umhlangano wokugcina

Amanani e-torque, umzila wekhebula, amabanga okususwa, ukubeka phansi

Wonke amayunithi

Umhlangano oqondisiwe ozenzakalelayo, ukuqapha kwetorque

Isofthiwe iyalayisha

Inguqulo ye-Firmware, izilungiselelo zepharamitha, izivumelwano zokuxhumana

100%

Ukuhlela okuzenzakalelayo, ukuqinisekiswa kwe-checksum

Into yokuhlola

Okujwayelekile

Usayizi Wesampula

Okokufaka/okuphumayo kwamandla/ukunemba kwamanje

±1% wokufunda

100%

Ukusebenza kahle ezindaweni eziningi zokulayisha (IEC 61683)

> 97% ukusebenza kahle kwe-Euro

100%

Ukunemba kokulandelela kwe-MPPT

I-Static >99.5%, i-dynamic >98%

100%

Ukuqinisekiswa komsebenzi wokuvikela (i-OV, i-UV, i-OC, i-OT, iphutha eliphansi)

Uhambo phakathi nesikhathi esishiwo

100%

Ukumelana nokufakwa kwe-insulation (okukhiphayo, okokufaka, indawo yokufaka, indawo ephumayo)

>1MΩ @ 1000V DC

100%

I-Dielectric ukumelana (i-hi-pot)

2kV AC noma 3kV DC, 60s

100%

Ukuqhubeka komhlaba

<0.1Ω

100%

Ukuvuza kwamanje (i-touch current, i-conductor yamanje evikelayo)

<3.5mA AC, <10mA DC

100%

Ukuhambisana kwangaphambili kwe-EMC (ukukhishwa okwenziwayo)

Imikhawulo yekilasi A/B

I-AQL 1.0

Ukuhlolwa kokushiswa (48h ku-50°C, umthwalo ogcwele)

<0.5% izinga lokuhluleka

100%

Ubuqotho bokupakisha (ukwehla, ukudlidliza, ukuphakama)

ISTA 3E, ASTM D4169

Ngamunye 

Isigaba Sezisetshenziswa

Ukucaciswa komshini

Umsebenzi

Amandla

Imigqa ye-SMT

I-High-speed-Pick-place (ASM SIPLACE, 100,000 CPH)

Ukubekwa kwengxenye, 01005 kuya ku-50×50mm

500,000 PCBs/ngenyanga

Ama-Ovens kabusha

10-zone nitrogen reflow (Heller, Rehm)

Ukusoda okungenamthofu, ukulawula iphrofayela ±2°C

300,000 PCBs/ngenyanga

I-Power Module Assembly

I-vacuum soldering, i-wire bonding (K&S, ASM)

I-IGBT/SiC module namathisela, ukubopha kwe-ultrasonic

50,000 amamojula/ngenyanga

Ukuhlola Okuzenzakalelayo

Amasistimu we-ATE (Chroma, NH Research)

Ukusebenza okungu-100%, ukusebenza kahle, ukuhlolwa kokuvikela

10,000 amayunithi / ngosuku

Ama-Burn-in Chambers

Ama-Walk-in Environment Chambers (ESPEC, Weiss)

48-72h ukushiswa ngaphakathi, ibhayisikili elishisayo

5,000 amayunithi kanyekanye

Ukuhlolwa kwe-EMC

Igumbi le-anechoic elingu-3m/10m, lenziwe ilebhu ye-EMI

Ukuthobelana kwangaphambilini nokuhlolwa kwesitifiketi

50 amayunithi/ngeviki

Ukuhlolwa Kwemvelo

Ukushaqeka okushisayo, isifutho sikasawoti, i-UV, ukuhlolwa kwe-IP

Ukuhambisana kwe-IEC 60068-2, IEC 60529

100 amayunithi/ngeviki

Isigaba somkhiqizo

Amandla Wanyanga zonke

Isikhathi Esijwayelekile Sokuhola

Amandla Woku-oda Okuphuthumayo

Iziguquli zezintambo zokuhlala (3-10kW)

10,000 amayunithi

4-5 amaviki

5 izinsuku

Iziguquli zezintambo zezentengiso (20-150kW)

5,000 amayunithi

4-5 amaviki

izinsuku ezingu-7

Ama-inverters amaphakathi (500kW-3MW)

500 amayunithi

6-8 amasonto

3 amaviki

Ama-inverter amaHybrid (5-20kW)

30,000 amayunithi

4-5 amaviki

izinsuku ezingu-7

Ama-Microinverters (300-2000W)

200,000 amayunithi

2-3 amasonto

5 izinsuku

Umnyango

Abasebenzi

Uchwepheshe

Izibopho

Ubunjiniyela be-R&D

5

onjiniyela

Ama-electronics wamandla, amasistimu okulawula, isofthiwe eshumekiwe, ukuphathwa kwe-thermal, ukuhlanganiswa kwegridi

Ukuthuthukiswa komkhiqizo omusha, ukusungulwa kwe-topology, iphothifoliyo yelungelo lobunikazi (100+ amalungelo obunikazi)

Ubunjiniyela Bezinqubo

30 onjiniyela

I-SMT, umhlangano wemojula yamandla, ukuhlolwa okuzenzakalelayo, Imboni 4.0

Ukuthuthukiswa kokukhiqiza, ukuthuthukiswa kwesivuno (>99%), ukuncishiswa kwezindleko

Ukuhlola Nokuqinisekisa

25 onjiniyela

I-IEC 62109, IEC 61683, amakhodi egridi, i-EMC, ubunjiniyela obuthembekile

Ukuhlolwa kohlobo, ukuphathwa kwesitifiketi, ukuhlaziya ukwehluleka, ukuhlolwa kwempilo okusheshisiwe

Ubunjiniyela bohlelo lokusebenza

20 onjiniyela

Idizayini yesistimu ye-PV, isitoreji samandla, ukuhlanganiswa kwegridi, i-O&M

Ukwesekwa kobuchwepheshe bekhasimende, ukuklanywa kwesistimu, ukugunyazwa, ukuqeqeshwa

Ukuqinisekisa ikhwalithi

40 ochwepheshe

ISO 9001, ISO 14001, IATF 16949, ukulawulwa kwenqubo yezibalo

Ukucwaningwa kwabahlinzeki, ukuhlolwa kwenqubo, ilabhorethri ye-metrology, isenzo sokulungisa